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|   |    | required or permitted by the Lease). The Aircraft (including the Aircraft Documents and Records) shall be in a condition suitable for immediate operations under FAR Part 121,
without waiver or restriction; and if any of the engines or parts tendered for redelivery with the Aircraft is not one of the Engines or Parts referred to in the Certificate of Acceptance or a Replacement Engine installed pursuant to Section 8.11(a)
following an Engine Event of Loss in respect of an Engine, Lessor shall have no obligation to accept such engine or part unless Lessee furnishes to Lessor all the documents and evidence in respect of such engine or part in accordance with Section
8.11(b), as if such engine were a Replacement Engine or such part were a replacement Part, and otherwise complies with such Section 8.11(b) with respect thereto;  |

  




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|   | (c) | have in existence a valid and effective certificate of airworthiness with respect to the Aircraft issued by the Air Authority;  |

  




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|   | (d) | comply with the manufacturer’s original specifications as at the Delivery Date, except as modified during the Term in accordance with the Manufacturer’s service bulletins
or letters, Airworthiness Directives, Air Authority approved data (all of which should have supporting State of Design approval) or otherwise as permitted by the Lease;  |